Aneurysmal Bone Cyst (ABC)

Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed

Etiology/Pathophysiology:
Tumor like lesion, of uncertain etiology, that contains blood and connective tissue and is expansile and lined by a thin shell of bone. Frequently found in diaphyses of long bones and vertebral neural arches. Also found in short tubular bones and pelvic and facial bones.

Pathology:
Not applicable

Imaging Findings:
See bubbly lucent defect that is expansile and eccentric.

DDX:

• Unicameral bone cyst
• Chondroblastoma
• Chondromyxoid fibroma
• Eosinophilic granuloma
• Osteomyelitis

References:
See References Chapter.

Section Top | Title Page

See related Provider Topics Bone Cancer, Bones, Joints and Muscles or Cancers.

See related Patient Topics Bones, Joints and Muscles or Cancers.

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